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added some error handling #9

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added some error handling #9

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9 changes: 5 additions & 4 deletions rock_paper_scissors.py
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Original file line number Diff line number Diff line change
Expand Up @@ -14,20 +14,21 @@

def play():
user = input("What's your choice? 'r' for rock, 'p' for paper, 's' for scissors\n")

if user not in ['r', 'p', 's']:
return 'Invalid input. Please choose "r" for rock, "p" for paper, or "s" for scissors.'

computer = random.choice(['r', 'p', 's'])

if user == computer:
return 'It\'s a tie'
return "It's a tie"

# r > s, s > p, p > r
if is_win(user, computer):
return 'You won!'

return 'You lost!'

def is_win(player, opponent):
# return true if player wins
# r > s, s > p, p > r
if (player == 'r' and opponent == 's') or (player == 's' and opponent == 'p') \
or (player == 'p' and opponent == 'r'):
return True
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